THE SOLUBILITY OF THE RARE-EARTH-METAL PHOSPHATES IN SEA-WATER

被引:26
|
作者
FIRSCHING, FH
KELL, JC
机构
[1] School of Sciences, Southern Illinois University at Edwardsville, Edwardsville
来源
关键词
Phosphates - Rare earth compounds - Solubility;
D O I
10.1021/je00009a032
中图分类号
O414.1 [热力学];
学科分类号
摘要
The solubility and activity products of 14 rare-earth-metal phosphates in sea water have been determined at 25 +/- 1-degrees-C. The most soluble is yttrium phosphate (pK(s) = 25.60), and the least soluble is lanthanum phosphate (pK(s) = 27.92). Saturated solutions were analyzed for total phosphate concentration and total acidity. Activity products were calculated from the experimental data.
引用
收藏
页码:132 / 133
页数:2
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